CN113346572A - Vehicle-mounted air conditioner and control method thereof - Google Patents

Vehicle-mounted air conditioner and control method thereof Download PDF

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Publication number
CN113346572A
CN113346572A CN202110535047.8A CN202110535047A CN113346572A CN 113346572 A CN113346572 A CN 113346572A CN 202110535047 A CN202110535047 A CN 202110535047A CN 113346572 A CN113346572 A CN 113346572A
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CN
China
Prior art keywords
parking
vehicle
current
parking place
air conditioner
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CN202110535047.8A
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Chinese (zh)
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CN113346572B (en
Inventor
陆建松
张飞
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202110535047.8A priority Critical patent/CN113346572B/en
Publication of CN113346572A publication Critical patent/CN113346572A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention belongs to the technical field of air conditioners and aims to solve the problem that the conventional vehicle-mounted air conditioner is easy to shut down midway due to the depletion of the electric quantity of a storage battery during parking, so that the use experience of a user is poor. To this end, the present invention provides a vehicle air conditioner and a control method thereof, the vehicle air conditioner being powered by a storage battery during a vehicle stop, the control method of the vehicle air conditioner including: judging whether the parking time length of the current parking place can be determined or not when the vehicle parks; acquiring the current electric quantity of a storage battery under the condition of determining the parking time of the current parking place; determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking duration of the current parking place; and controlling the vehicle-mounted air conditioner to operate according to the target operation frequency. The electric quantity that can guarantee the battery like this satisfies the operation of on-vehicle air conditioner during the parking, has reduced the risk that the condition that the on-vehicle air conditioner appears because of battery electric quantity is not enough shut down midway during the parking takes place, has optimized user's use and has experienced.

Description

Vehicle-mounted air conditioner and control method thereof
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides a vehicle-mounted air conditioner and a control method thereof.
Background
The driving method of the vehicle-mounted air conditioner applied to the vehicle mainly comprises the following steps: the compressor of the vehicle-mounted air conditioner is directly driven to operate through an engine of the vehicle, and power is supplied to the compressor of the vehicle-mounted air conditioner through the configured storage battery so as to drive the compressor of the vehicle-mounted air conditioner to operate. The manner in which power is supplied to the compressor of the vehicle air conditioner through the battery to drive the compressor of the vehicle air conditioner to operate is generally mainly used during parking of the vehicle.
In most parking situations, the parking time period is different, and the amount of electricity of the battery for supplying power to the vehicle air conditioner is different when the vehicle air conditioner is used during parking. The situation that the vehicle-mounted air conditioner stops working midway due to the fact that the electric quantity of the storage battery is exhausted under the conditions that the parking time is long and the electric quantity of the storage battery is insufficient is caused, and the user experience is poor.
Therefore, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the existing vehicle-mounted air conditioner is prone to shutdown halfway due to the electric quantity exhaustion of the storage battery during parking, and thus the use experience of a user is poor, on one hand, the invention provides a control method of the vehicle-mounted air conditioner, wherein the vehicle-mounted air conditioner is powered by the storage battery during the parking of a vehicle, and the control method comprises the following steps: judging whether the parking time length of the current parking place can be determined or not when the vehicle parks; acquiring the current electric quantity of the storage battery under the condition of determining the parking time of the current parking place; determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking duration of the current parking place; and controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
In a preferred embodiment of the above control method, the step of determining whether the parking duration of the current parking place can be determined includes: and judging whether the current parking place is the habit parking place of the user, and if so, determining the parking time of the current parking place.
In a preferred technical scheme of the control method, a specific mode for determining the parking time length of the current parking place is as follows: and determining the parking time length of the current parking place according to the current parking place and the corresponding relation between the parking time length and the habitual parking place.
In a preferred embodiment of the above control method, the step of determining whether the parking duration of the current parking place can be determined includes: calling a driving route of the vehicle before parking; judging whether the current parking place is the habit parking place of the user and whether the driving route is the habit driving route of the user, and if the current parking place is the habit parking place of the user and the driving route is the habit driving route of the user, determining the parking time length of the current parking place.
In a preferred technical scheme of the control method, a specific mode for determining the parking time length of the current parking place is as follows: and determining the parking time length of the current parking place according to the corresponding relation among the current parking place, the driving route and the combination of the parking time length, the habitual parking place and the habitual driving route.
In a preferred embodiment of the above control method, the step of determining whether the parking duration of the current parking place can be determined includes: calling a driving route and driving time before the vehicle stops; judging whether the current parking place is the habit parking place of the user, whether the driving route is the habit driving route of the user and whether the driving time length is the habit driving time length of the user, and if the current parking place is the habit parking place of the user, the driving route is the habit driving route of the user and the driving time length is the habit driving time length of the user, determining the parking time length of the current parking place.
In a preferred technical scheme of the control method, a specific mode for determining the parking time length of the current parking place is as follows: and determining the parking time of the current parking place according to the current parking place, the driving route, the driving time and the corresponding relation of the parking time and the combination of the habitual parking place, the habitual driving route and the habitual driving time.
In a preferred embodiment of the above control method, the control method includes: recording the driving parameters of each driving of the vehicle; determining the habitual driving parameters of the user according to the driving parameters; the driving parameters at least comprise parking places, and the habitual driving parameters at least comprise the habitual parking places.
In a preferred technical solution of the above control method, the step of "determining the target operating frequency of the vehicle air conditioner according to the current electric quantity of the storage battery and the parking duration of the current parking place" includes: determining a first operating frequency according to the current electric quantity of the storage battery and the parking duration of the current parking place; determining a second operating frequency according to the environment temperature in the vehicle and the target temperature; and selecting the smaller value of the first operating frequency and the second operating frequency as the target operating frequency.
In the technical scheme of the invention, the vehicle-mounted air conditioner supplies power through a storage battery during the parking of the vehicle, and the control method of the vehicle-mounted air conditioner comprises the following steps: judging whether the parking time length of the current parking place can be determined or not when the vehicle parks; acquiring the current electric quantity of a storage battery under the condition of determining the parking time of the current parking place; determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking duration of the current parking place; and controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
That is to say, whether the parking duration of the current parking place can be determined or not is judged when the vehicle parks, the current electric quantity of the storage battery is obtained under the condition that the parking duration of the current parking place is determined, the target operation frequency of the vehicle-mounted air conditioner is determined according to the parking duration and the current electric quantity of the storage battery, and the vehicle-mounted air conditioner is controlled to operate according to the target operation frequency. Specifically, whether the current parking place is the habitual parking place of the user or not is judged, if yes, the parking duration of the current parking place can be determined, and the specific mode for determining the parking duration of the current parking place is to determine the parking duration of the current parking place according to the current parking place and the corresponding relation between the parking duration and the habitual parking place. The method has the advantages that the parking duration of the current parking place can be determined by judging whether the current parking place is the habit parking place of the user or not, the current parking duration can be automatically determined according to the current parking place and the corresponding relation between the parking duration and the habit parking place under the condition that the current place is the habit parking place of the user, the parking duration does not need to be input by the user when parking is carried out every time, the trouble that the user inputs the parking duration when parking is carried out every time is reduced, and the risk that the vehicle-mounted air conditioner stops midway due to the fact that the user forgets to input the parking duration when the storage battery is used up due to the fact that the user inputs the parking duration when parking is carried out every time is reduced.
In another aspect, the present invention further provides a vehicle air conditioner, including: a memory; a processor; and a computer program stored in the memory and configured to be executed by the processor to implement the control method of the in-vehicle air conditioner in the above-described technical solution.
It should be noted that the vehicle-mounted air conditioner has all the technical effects of the control method, and details are not repeated herein.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a diagram of main steps of a control method of a vehicle air conditioner of the present invention;
fig. 2 is a flowchart of a control method of a vehicle air conditioner according to a first embodiment of the present invention;
fig. 3 is a flowchart of a control method of a vehicle air conditioner according to a second embodiment of the present invention;
fig. 4 is a flowchart of a control method of a vehicle air conditioner according to a third embodiment of the present invention.
Detailed Description
First, it should be understood by those skilled in the art that the embodiments described below are merely for explaining technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, the control method of the vehicle air conditioner of the present invention is applicable to an integrated vehicle air conditioner, a split vehicle air conditioner, a single-cooling vehicle air conditioner, a cooling and heating vehicle air conditioner, and the like. Such adjustments to the specific type of application object should not be construed as limiting the invention, but should be within the scope of the invention.
It should be noted that the terms "first", "second" and "third" in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a control method of a vehicle air conditioner of the present invention will be described. Fig. 1 is a main step diagram of a control method of a vehicle air conditioner according to the present invention.
Based on the problem that the existing vehicle-mounted air conditioner is easy to shut down midway due to the electricity consumption of a storage battery during parking, and further the use experience of a user is poor, the invention provides a control method of the vehicle-mounted air conditioner, and the vehicle-mounted air conditioner supplies power through the storage battery during parking.
As shown in fig. 1, the control method of the vehicle air conditioner of the present invention mainly includes the following steps:
step S100, judging whether the parking time length of the current parking place can be determined when the vehicle parks.
The vehicle-mounted air conditioner or the vehicle is provided with a positioning device, a controller of the vehicle-mounted air conditioner is connected with the positioning device, and the controller can acquire a parking place when the vehicle parks through the positioning device. The vehicle-mounted air conditioner has a storage device in which a plurality of parking places used by a user and parking time lengths corresponding to the parking places used by the user are stored. The controller acquires the current parking place of the vehicle during parking through the positioning device, and judges whether the current parking place is the habitual parking place of the user or not by comparing the current parking place with a plurality of habitual parking places stored in the memory. And if the current parking place is the habitual parking place of the user, the parking time length of the current parking place can be determined. Specifically, the parking duration of the current parking place is determined according to the current parking place and the stored corresponding relation between the parking duration and the habitual parking place. For example, A, B, C, D, E, F six parking spots and six parking periods corresponding to the six parking spots in a one-to-one manner are stored in the memory, the six parking periods are 15 minutes, 20 minutes, 30 minutes, 45 minutes, 60 minutes and 80 minutes respectively, and if the current parking spot is determined to be the B-spot, the current parking period is determined to be 20 minutes.
And step S200, acquiring the current electric quantity of the storage battery under the condition that the parking time length of the current parking place is determined.
For example, the controller can obtain the current charge of the battery by means of a coulometer.
And step S300, determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking time of the current parking place.
For example, the average current of the parking time for supplying the current electric quantity of the storage battery to the vehicle-mounted air conditioner is calculated, and the target operation frequency of the vehicle-mounted air conditioner is calculated according to the average current. That is, the electric quantity of the storage battery is basically consumed after the vehicle-mounted air conditioner operates for the parking time according to the target operation frequency. It can be understood that the current electric quantity of the storage battery is subtracted by a set value and then is divided by the parking time to obtain an average current, and then the target operation frequency of the vehicle-mounted air conditioner is calculated according to the average current, wherein the set value can be the electric quantity value stored in the storage battery when the output voltage of the storage battery is reduced to the protection voltage, so that the problem that the service life of the storage battery is influenced due to the fact that the storage battery is completely exhausted is avoided, and the service life of the storage battery is prolonged.
And S400, controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
By the control method, the electric quantity of the storage battery can meet the operation of the vehicle-mounted air conditioner during parking, the risk of the vehicle-mounted air conditioner during parking due to the fact that the vehicle-mounted air conditioner is shut down halfway due to insufficient electric quantity of the storage battery is reduced, and the use experience of a user is optimized.
A control method of a vehicle air conditioner according to a first embodiment of the present invention will be described with reference to fig. 2. Fig. 2 is a flowchart of a control method of a vehicle air conditioner according to a first embodiment of the present invention.
In the first embodiment of the present invention, the power line of the in-vehicle air conditioner is connected through a power supply control circuit, which is connected to the battery and the generator of the vehicle, respectively, which is driven by the engine of the vehicle. During the running of the vehicle, the power control circuit controls the generator to supply power to the vehicle-mounted air conditioner and charges the storage battery when the electric quantity of the storage battery is smaller than a set value, and during the parking of the vehicle, the power control circuit controls the storage battery to supply power to the vehicle-mounted air conditioner. As shown in fig. 2, the control method of the vehicle air conditioner includes:
and step S110, detecting the current state of the vehicle.
The current state of the vehicle is detected, and the current state comprises a running state and a parking state.
And step S120, judging whether the vehicle is in a parking state, if so, executing step S130, and if not, returning to step S110. That is, the state of the vehicle is continuously detected, and step S130 is performed when the vehicle is in a parking state.
And step S130, acquiring the current parking place.
And acquiring a parking place of the vehicle when the vehicle parks through a vehicle-mounted air conditioner or a positioning device arranged on the vehicle.
Step S140, determining whether the current parking place is a habitual parking place, if yes, performing step S210, and if not, performing step S500.
Step S210, determining the parking duration of the current parking place according to the current parking place and the corresponding relation between the parking duration and the habitual parking place.
And step S240, acquiring the current electric quantity of the storage battery.
And step S300, determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking time of the current parking place.
Determining a first operating frequency according to the current electric quantity of the storage battery and the parking time of the current parking place, if the average current of the parking time for supplying power to the vehicle-mounted air conditioner by the current electric quantity of the storage battery is calculated, calculating the first operating frequency of the vehicle-mounted air conditioner according to the average current; determining a second operating frequency according to the environment temperature in the vehicle and the target temperature; and selecting the smaller value of the first operating frequency and the second operating frequency as the target operating frequency of the vehicle-mounted air conditioner.
And S400, controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
And S500, controlling the vehicle-mounted air conditioner to run according to the running frequency automatically determined by the set parameters of the user.
And determining the operation frequency according to the environment temperature in the vehicle and the target temperature set by the user, and controlling the vehicle-mounted air conditioner to operate according to the operation frequency.
The method has the advantages that the parking duration of the current parking place can be determined by judging whether the current parking place is the habit parking place of the user or not, the current parking duration can be automatically determined according to the current parking place and the corresponding relation between the parking duration and the habit parking place under the condition that the current place is the habit parking place of the user, the parking duration does not need to be input by the user when parking is carried out every time, the trouble that the user inputs the parking duration when parking is carried out every time is reduced, and the risk that the vehicle-mounted air conditioner stops midway due to the fact that the user forgets to input the parking duration when the storage battery is used up due to the fact that the user inputs the parking duration when parking is carried out every time is reduced. The method comprises the steps of determining a first operation frequency according to the current electric quantity of a storage battery and the parking duration of a current parking place, determining a second operation frequency according to the environment temperature in the vehicle and the target temperature, and selecting the smaller value of the first operation frequency and the second operation frequency as the target operation frequency of the vehicle-mounted air conditioner, so that the electric quantity of the storage battery can meet the power supply of the vehicle-mounted air conditioner during parking, the environment temperature in the vehicle can be close to the set temperature of a user to the maximum extent, and the use experience of the user is further optimized.
In another specific embodiment, when determining the target operating frequency of the vehicle air conditioner, other frequency limiting conditions, such as a discharge temperature frequency limiting protection frequency of a compressor or other conventional frequency limiting conditions, may also be considered, the first operating frequency of the vehicle air conditioner is calculated according to the average current, the second operating frequency is determined according to the ambient temperature in the vehicle and the target temperature, and the minimum value of the first operating frequency, the second operating frequency and the other frequency limiting conditions is selected as the target operating frequency of the vehicle air conditioner.
A control method of a vehicle air conditioner according to a second embodiment of the present invention will be described with reference to fig. 3. Fig. 3 is a flowchart of a control method of a vehicle air conditioner according to a second embodiment of the present invention.
In a second embodiment of the present invention, the power cord of the in-vehicle air conditioner is connected through a power supply control circuit, which is connected to the battery and the generator of the vehicle, respectively, which is driven by the engine of the vehicle. During the running of the vehicle, the power control circuit controls the generator to supply power to the vehicle-mounted air conditioner and charges the storage battery when the electric quantity of the storage battery is smaller than a set value, and during the parking of the vehicle, the power control circuit controls the storage battery to supply power to the vehicle-mounted air conditioner. As shown in fig. 3, the control method of the vehicle air conditioner includes:
and step S110, detecting the current state of the vehicle.
And step S120, judging whether the vehicle is in a parking state, if so, executing step S130, and if not, returning to step S110.
And step S130, acquiring the current parking place.
Step S140, determining whether the current parking place is a habitual parking place, if yes, performing step S150, and if not, performing step S500.
And step S150, calling a running route before the vehicle stops.
During the running process of the vehicle, the running route of the vehicle is recorded, and the running route before the vehicle stops is called after the vehicle stops.
Step S160, determining whether the driving route is a habit driving route, if yes, performing step S220, otherwise, performing step S500.
And step S220, determining the parking time length of the current parking place according to the current parking place, the driving route and the corresponding relation between the parking time length and the combination of the habitual parking place and the habitual driving route.
The vehicle-mounted air conditioner has a memory in which a plurality of habitual parking places of a user, habitual driving routes of the user to the habitual parking places, and parking durations corresponding to the habitual parking places and the habitual driving routes in a one-to-one manner are stored, wherein each habitual parking place has one or more corresponding habitual driving routes. For example, A, B, C, D, E, F six parking spots are stored in the memory, and a, B, C, D, E, F six habitual driving routes to reach A, B, C, D, E, F the six habitual parking spots are respectively stored, the habitual parking spots and the habitual driving routes are combined into (a, a), (B, B), (C, C), (D, D), (E, E), and (F, F), and six parking periods corresponding to the six habitual parking spots and the habitual driving routes in a one-to-one manner, and the six parking periods are 15 minutes, 20 minutes, 30 minutes, 45 minutes, 60 minutes, and 80 minutes respectively. And if the current parking place is judged to be the C-habit parking place and the route before parking is the C-habit driving route, determining that the current parking time is 30 minutes.
And step S240, acquiring the current electric quantity of the storage battery.
And step S300, determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking time of the current parking place.
And S400, controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
And S500, controlling the vehicle-mounted air conditioner to run according to the running frequency automatically determined by the set parameters of the user.
It should be noted that step S150 may be executed in synchronization with step S130, or between step S130 and step S140, as long as it is executed between step S120 and step S220, step S160 may be executed in synchronization with step S140, or between step S120 and step S220, as long as it is executed after step S150.
Whether the parking time of the current parking place can be determined or not is judged by judging whether the current parking place is a habitual parking place or not and whether the driving route before parking is the habitual driving route or not, the parking time of the current parking place can be determined under the condition that the current place is the habitual parking place and the driving route before parking is the habitual driving route, the parking time of the current parking place is determined according to the corresponding relation among the current parking place, the driving route and the combination of the parking time and the habitual parking place and the habitual driving route, the parking time can be more accurately obtained, and the condition that the vehicle-mounted air conditioner stops midway due to the fact that the electric quantity of the storage battery is exhausted when the vehicle is stopped by a user when the vehicle is parked at the habitual parking place and the driving route before parking is not the habitual driving route due to large difference between the actual parking time of the current parking place and the determined parking time is avoided, the use experience of the user is further optimized. For the non-habitual driving route, the user is not familiar with road conditions, the attention of the user is more concentrated in the process of driving the vehicle through the non-habitual driving route, and the user may stop for a longer time to rest when the vehicle stops at the current parking place. By the control method, the situation that the vehicle-mounted air conditioner is stopped midway due to the fact that the difference between the actual parking time and the determined parking time is large when the parking time of the current parking place is determined according to the current parking place and the corresponding relation between the parking time and the habitual parking place is avoided.
A method for controlling a vehicle air conditioner according to a third embodiment of the present invention will be described with reference to fig. 4. Fig. 4 is a flowchart of a control method of a vehicle air conditioner according to a third embodiment of the present invention.
In a third embodiment of the present invention, the power cord of the in-vehicle air conditioner is connected through a power supply control circuit, which is connected to the battery and the generator of the vehicle, respectively, which is driven by the engine of the vehicle. During the running of the vehicle, the power control circuit controls the generator to supply power to the vehicle-mounted air conditioner and charges the storage battery when the electric quantity of the storage battery is smaller than a set value, and during the parking of the vehicle, the power control circuit controls the storage battery to supply power to the vehicle-mounted air conditioner. As shown in fig. 4, the control method of the vehicle air conditioner includes:
and step S110, detecting the current state of the vehicle.
And step S120, judging whether the vehicle is in a parking state, if so, executing step S130, and if not, returning to step S110.
And step S130, acquiring the current parking place.
Step S140, determining whether the current parking place is a habitual parking place, if yes, performing step S170, and if not, performing step S500.
And step S170, calling a running route and running time before the vehicle stops.
And recording the running route and the running time of the vehicle in the running process of the vehicle, and calling the running route and the running time before the vehicle stops after the vehicle stops.
And step S180, judging whether the driving route is the habitual driving route and whether the driving time length is the habitual driving time length, if the driving route is the habitual driving route and the driving time length is the habitual driving time length, executing step S230, and if not, executing step S500.
And step S230, determining the parking time length of the current parking place according to the corresponding relation between the current parking place, the driving route, the driving time length and the combination of the parking time length and the habitual parking place, the habitual driving route and the habitual driving time length.
The vehicle-mounted air conditioner comprises a vehicle-mounted air conditioner, a storage and a control unit, wherein the vehicle-mounted air conditioner is used for storing a plurality of habitual parking places of a user, habitual driving routes of the user to the habitual parking places, habitual driving time of the user to the corresponding habitual parking places along the habitual driving routes, and parking time corresponding to the habitual parking places, the habitual driving routes and the habitual driving time in a one-to-one mode, wherein each habitual parking place is provided with one or more corresponding habitual driving routes.
And step S240, acquiring the current electric quantity of the storage battery.
And step S300, determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking time of the current parking place.
And S400, controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
And S500, controlling the vehicle-mounted air conditioner to run according to the running frequency automatically determined by the set parameters of the user.
It should be noted that step S170 may be executed in synchronization with step S130, or between step S130 and step S140, as long as it is executed between step S120 and step S230, step S180 may be executed in synchronization with step S140, or between step S120 and step S230, as long as it is executed after step S170. In addition, step S170 may be performed in two steps of acquiring the travel route before the vehicle stops and acquiring the travel time period before the vehicle stops, and step S180 may also be performed in two steps of determining whether the travel route is the habit travel route and determining whether the travel time period is the habit travel time period.
Whether the parking duration of the current parking place can be determined or not is judged by judging whether the current place is a habitual parking place or not, whether the driving route before parking is a habitual driving route or not and whether the driving duration before parking is a habitual parking duration or not, the parking duration of the current parking place can be determined under the condition that the current place is the habitual parking place, the driving route before parking is the habitual driving route and the driving duration before parking is the habitual parking duration, the parking duration of the current parking place is determined according to the corresponding relation among the current parking place, the driving route, the driving duration and the combination of the parking duration, the habitual driving place, the habitual driving route and the habitual driving duration, and the parking duration can be obtained more accurately. Under the conditions of parking in a habitual parking place and driving according to a habitual driving route, the situations that the driving time of a user before parking is different, the fatigue degree of the user is different and the parking and rest time of the user in the current parking place is different due to different traffic flow on the route can occur. Under the condition that the current place is a habitual parking place, the driving route before parking is a habitual driving route and the driving time before parking is a habitual parking time, the parking time of the current parking place is determined according to the corresponding relation between the current parking place, the driving route, the driving time and the combination of the parking time and the habitual parking place, the habitual driving route and the habitual driving time, the condition that the vehicle-mounted air conditioner is stopped halfway due to the fact that the electric quantity of the storage battery is exhausted during the parking of the vehicle due to the fact that the difference between the actual parking time of the user at the current parking place and the determined parking time is large is avoided, and using experience of the user is further optimized.
It should be noted that, in each of the above embodiments, the habitual parking place, the habitual driving route, the habitual driving time length, the corresponding relationship between the parking time length and the habitual parking place, the corresponding relationship between the parking time length and the combination of the habitual parking place and the habitual driving route, and/or the corresponding relationship between the parking time length and the combination of the habitual parking place, the habitual driving route, and the habitual driving time length, which are/is stored in the memory, may be manually input into the memory according to the driving habits of the user after the user purchases the vehicle and before the user uses the vehicle for the first time, or may be directly imported into the memory. In a specific embodiment, before the vehicle is used for the first time, a user manually inputs the data into a memory according to the driving habits of the user, in the process of driving the vehicle each time, the driving route, the parking place, the parking time and the driving time before parking of the vehicle each time are recorded and stored in the memory, and the recorded driving route, the parking place, the parking time and the driving time before parking are classified and counted through a self-learning function to determine and add new habitual parking places, habitual driving routes, habitual parking time and the like. Therefore, the driving habit data of the user is continuously learned and summarized in the using process, the habit parking place, the habit driving route and the habit parking time are expanded, and the more accurate parking time can be obtained. In addition, although in the above embodiments, in the case that the parking time period of the current parking place cannot be determined, the vehicle-mounted air conditioner is only controlled to operate according to the operating frequency automatically determined by the setting parameters of the user, this is only a specific embodiment, and does not constitute a limitation to the scope of the present invention, for example, in another possible embodiment, on the basis of controlling the vehicle-mounted air conditioner to operate according to the operating frequency automatically determined by the setting parameters of the user, the electric quantity of the storage battery is detected every set time period and a prompt is given to the user, so that the user can start the vehicle and then put it into the neutral position, drive the generator to supply power to the vehicle-mounted air conditioner through the engine and charge the storage battery in the case that the electric quantity of the storage battery is insufficient.
In another aspect, the present invention further provides a vehicle air conditioner, including: the vehicle-mounted air conditioner control device comprises a memory, a processor and a computer program, wherein the computer program is stored in the memory and is configured to be executed by the processor to realize the vehicle-mounted air conditioner control method of any one embodiment. The memory and the processor are arranged on the controller. It should be noted that the vehicle may be a family car, a long-distance van, or other vehicles. The vehicle-mounted air conditioner of the vehicle can be an integrated vehicle-mounted air conditioner, a split vehicle-mounted air conditioner, a single-cooling vehicle-mounted air conditioner, a dual-purpose vehicle-mounted air conditioner for cooling and heating, or other suitable vehicle-mounted air conditioners.
It should be noted that the memory in the above embodiments includes, but is not limited to, a random access memory, a flash memory, a read only memory, a programmable read only memory, a volatile memory, a non-volatile memory, a serial memory, a parallel memory, or a register, and the like, and the processor includes, but is not limited to, a CPLD/FPGA, a DSP, an ARM processor, a MIPS processor, and the like. Furthermore, although in the above-mentioned embodiments, the habitual parking place, the habitual driving route, the habitual driving time length, the corresponding relationship between the parking time length and the habitual parking place, the corresponding relationship between the parking time length and the combination of the habitual parking place and the habitual driving route, and/or the corresponding relationship between the parking time length and the combination of the habitual parking place, the habitual driving route, and the combination of the habitual driving time length are/is stored in the memory of the air conditioner, this is only a specific setting manner, and does not limit the scope of protection of the present invention, and the corresponding relationship between the parking time length and the combination of the habitual parking place and the habitual driving route, and/or the corresponding relationship between the parking time length and the combination of the habitual parking place, the habitual driving route, and the habitual driving time length may also be stored in the cloud storage, and the controller of the vehicle-mounted air conditioner is in communication connection with the cloud storage.
According to the technical scheme, whether the parking time of the current parking place can be determined or not is judged when the vehicle parks, the current electric quantity of the storage battery is obtained under the condition that the parking time of the current parking place is determined, the target operation frequency of the vehicle-mounted air conditioner is further determined according to the parking time and the current electric quantity of the storage battery, and the vehicle-mounted air conditioner is controlled to operate according to the target operation frequency. Specifically, whether the current parking place is the habitual parking place of the user or not is judged, if yes, the parking duration of the current parking place can be determined, and the specific mode for determining the parking duration of the current parking place is to determine the parking duration of the current parking place according to the current parking place and the corresponding relation between the parking duration and the habitual parking place. The method has the advantages that the parking duration of the current parking place can be determined by judging whether the current parking place is the habit parking place of the user or not, the current parking duration can be automatically determined according to the current parking place and the corresponding relation between the parking duration and the habit parking place under the condition that the current place is the habit parking place of the user, the parking duration does not need to be input by the user when parking is carried out every time, the trouble that the user inputs the parking duration when parking is carried out every time is reduced, and the risk that the vehicle-mounted air conditioner stops midway due to the fact that the user forgets to input the parking duration when the storage battery is used up due to the fact that the user inputs the parking duration when parking is carried out every time is reduced.
Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. A control method of an in-vehicle air conditioner that is powered by a battery during a stop of a vehicle, comprising:
judging whether the parking time length of the current parking place can be determined or not when the vehicle parks;
acquiring the current electric quantity of the storage battery under the condition of determining the parking time of the current parking place;
determining the target operation frequency of the vehicle-mounted air conditioner according to the current electric quantity of the storage battery and the parking duration of the current parking place;
and controlling the vehicle-mounted air conditioner to operate according to the target operation frequency.
2. The control method according to claim 1, wherein the step of determining whether the parking time period of the current parking place can be determined includes:
and judging whether the current parking place is the habit parking place of the user, and if so, determining the parking time of the current parking place.
3. The control method according to claim 2, wherein the specific manner of determining the parking time period of the current parking place is:
and determining the parking time length of the current parking place according to the current parking place and the corresponding relation between the parking time length and the habitual parking place.
4. The control method according to claim 1, wherein the step of determining whether the parking time period of the current parking place can be determined includes:
calling a driving route of the vehicle before parking;
judging whether the current parking place is the habit parking place of the user and whether the driving route is the habit driving route of the user, and if the current parking place is the habit parking place of the user and the driving route is the habit driving route of the user, determining the parking time length of the current parking place.
5. The control method according to claim 4, wherein the specific manner of determining the parking time period of the current parking place is:
and determining the parking time length of the current parking place according to the corresponding relation among the current parking place, the driving route and the combination of the parking time length, the habitual parking place and the habitual driving route.
6. The control method according to claim 1, wherein the step of determining whether the parking time period of the current parking place can be determined includes:
calling a driving route and driving time before the vehicle stops;
judging whether the current parking place is the habit parking place of the user, whether the driving route is the habit driving route of the user and whether the driving time length is the habit driving time length of the user, and if the current parking place is the habit parking place of the user, the driving route is the habit driving route of the user and the driving time length is the habit driving time length of the user, determining the parking time length of the current parking place.
7. The control method according to claim 6, wherein the specific manner of determining the parking time period of the current parking place is:
and determining the parking time of the current parking place according to the current parking place, the driving route, the driving time and the corresponding relation of the parking time and the combination of the habitual parking place, the habitual driving route and the habitual driving time.
8. The control method according to any one of claims 1 to 7, characterized by further comprising:
recording the driving parameters of each driving of the vehicle;
determining the habitual driving parameters of the user according to the driving parameters;
the driving parameters at least comprise parking places, and the habitual driving parameters at least comprise the habitual parking places.
9. The control method according to any one of claims 1 to 7, wherein the step of determining the target operating frequency of the on-vehicle air conditioner according to the current charge amount of the battery and the parking duration of the current parking place includes:
determining a first operating frequency according to the current electric quantity of the storage battery and the parking duration of the current parking place;
determining a second operating frequency according to the environment temperature in the vehicle and the target temperature;
and selecting the smaller value of the first operating frequency and the second operating frequency as the target operating frequency.
10. An in-vehicle air conditioner, characterized by comprising:
a memory;
a processor; and
a computer program stored in the memory and configured to be executed by the processor to implement the control method of the in-vehicle air conditioner of any one of claims 1 to 9.
CN202110535047.8A 2021-05-17 2021-05-17 Vehicle-mounted air conditioner and control method thereof Active CN113346572B (en)

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